答案是：9999999800000001 99999999*99999999=99999999*100000000-99999999=9999999900000000-99999999=9999999800000001
我会一种巧算法把９９９９９９９９看成９９９９９９９８然后在后面补有几个９就补几个０最后一位是８就加１ 就是９９９９９９９８０００００００１ 比如９９＊９９＝９８０１ ９９９＊９９９＝９９８００１ ９９９９＊９９９９＝９９９８００１ …………
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。
答：我们设原计划小明每天要看 X 页 也就是这本书一共用 10X 页 现在他每天比原计划多看5页 也就是 X+5 结果8天看完了总共 8*(X+5) 的页的书 因为...详情>>
答：详情>>
答：面对非常多的作业，如果不会，肯定是慢的。多特儿童专注力老师提醒家长，首先要了解孩子对于知识的掌握程度，然后有针对性的给予辅导，只要学会知识后，写作业的效率自然而...详情>>
答：2)英国的科学教育：在英国“全国学校课程”中，科学和数学并列为三大核心课程，所有5—16岁的儿童都必须接受法定的科学教育详情>>
答：终于有考教师资格证书的朋友了,哈哈!我今年刚考完,幸运的是,考过了啊 !我的资料共享里就有,你去下载吧!肯定对你有帮助的.还有就是,考的的确挺细的,不要把你认为...详情>>
